Other Biology Answers

Boys who mature early tend to?

Indicate the place of manufacture of sperm cells

1. In humans, ventilation, digestion, and blood flow are important biological processes. Explain the relationship between the structure of tissues or organs and one of these processes.

Why is classification of species important in light of a changing environment and changing ecosystems?

which of the following statement are examples of anecdotal evidence of climate change

The student is given sugar solutions with concentrations of 1%, 5%, 10% and 20%.

Explain how the student could use these solutions to estimate the concentration of sugar in the four fruit juices.

Please answer

what is HCG and how does it relate to progesterone levels in the blood?

What happens to the food as it gets digested?

Reference is made to 5 psychologist with different theories on cognitive development discuss main contributions each has been made

Match the type of adaptation to each organism description below. Terms may be used more than once. 

1. Structural Adaptation   

2. Behavioural Adaptation  

3. Physiological Adaptation

___ The long legs of a moose allow it to step over fallen trees and dense bushes as it browses in the summer and step through deep snow in the winter. (Record your choice in the first blank.)

___ Leaves have pointed tips that slope downward. These "drip tips" allow water to run off the leaves so that the leaves do not stay wet and become mouldy. (Record your choice in the second blank.)

___ The black turkey vulture, which heats up excessively during the day, excretes urine on its legs, thus cooling itself by evaporation. At night, it fluffs up its feathers to keep itself warm. (Record your choice in the third blank.)

___ Four chambered stomachs of ruminants allow them to obtain nutrients from plant fibres.